APA

Fontaine R. L., Duvoisin R., . (1945). The happy time. New York: Simon and Schuster.

Chicago

Fontaine Robert Louis, Duvoisin Roger, . 1945. The happy time. New York: Simon and Schuster.

Harvard

Fontaine R. L., Duvoisin R., . (1945). The happy time. New York: Simon and Schuster.

MLA

Fontaine Robert Louis, Duvoisin Roger, . The happy time. New York: Simon and Schuster. 1945.